Affiliate link text doesn’t show on product page

Hi,

We are using WC vendors PRO and are starting to get into affiliate/ external link products. I’ve enabled it on the Admin side to allow users to selected it, however when an item is posted under that type it ask for a (URL and the button text)

All seems well, until you publish that item and you realize that the “button text” doesn’t show

Refer link works but not the text..

The page I need help with: [log in to see the link]